If you’re like me, you’re always worried about running out of battery time on your cell phone. I’m constantly charging mine — in the car, office or home.

But with the SideWider, you can stop worrying. You just plug this 2.5-oz. device into your phone and hand crank it for two minutes to give yourself six minutes of talk time. Winner of the prestigious Laptop Magazine Editor’s Choice award and NAHC Field Tested Seal of Approval, it’s compatible with most cell phones and does NOT require batteries or electricity.